Question: What is had underlying cause of main events of deadliest aviation incident in Argentina ?
Paraphrase: What were the main events' underlying causes in Argentina's deadliest aviation incident?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q20005847 wdt:P793 ?X . ?X wdt:P828 ?answer}
Answer: turbulence, mechanical failure, mechanical failure, Weather, fog, Weather, human error